141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
/*
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2012-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2017-2019 Ben Loftis <ben@harrisonconsoles.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __gtk_ardour_editor_summary_h__
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#define __gtk_ardour_editor_summary_h__
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#include "gtkmm2ext/cairo_widget.h"
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#include "editor_component.h"
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namespace ARDOUR {
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class Session;
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}
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class Editor;
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/** Class to provide a visual summary of the contents of an editor window; represents
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* the whole session as a set of lines, one per region view.
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*/
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class EditorSummary : public CairoWidget, public EditorComponent, public ARDOUR::SessionHandlePtr, public PBD::ScopedConnectionList
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{
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public:
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EditorSummary (Editor *);
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~EditorSummary ();
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void set_session (ARDOUR::Session *);
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void set_overlays_dirty ();
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void set_background_dirty ();
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void routes_added (std::list<RouteTimeAxisView*> const &);
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private:
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void parameter_changed (std::string);
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void on_size_allocate (Gtk::Allocation& alloc);
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enum SummaryPosition {
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LEFT,
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RIGHT,
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BOTTOM,
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INSIDE,
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TO_LEFT_OR_RIGHT
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};
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void on_size_request (Gtk::Requisition *);
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bool on_button_press_event (GdkEventButton *);
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bool on_button_release_event (GdkEventButton *);
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bool on_motion_notify_event (GdkEventMotion *);
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bool on_scroll_event (GdkEventScroll *);
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bool on_key_press_event (GdkEventKey*);
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bool on_key_release_event (GdkEventKey*);
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bool on_enter_notify_event (GdkEventCrossing*);
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bool on_leave_notify_event (GdkEventCrossing*);
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void reset_to_extents ();
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void centre_on_click (GdkEventButton *);
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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void render_region (RegionView*, cairo_t*, double) const;
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void get_editor (std::pair<double, double>* x, std::pair<double, double>* y = NULL) const;
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void set_editor (double);
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void set_editor (std::pair<double, double>);
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void set_editor_x (double);
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void set_editor_x (std::pair<double, double>);
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void playhead_position_changed (samplepos_t);
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double editor_y_to_summary (double) const;
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SummaryPosition get_position (double, double) const;
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void set_cursor (SummaryPosition);
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void route_gui_changed (PBD::PropertyChange const&);
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bool suspending_editor_updates () const;
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double playhead_sample_to_position (samplepos_t) const;
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samplepos_t position_to_playhead_sample_to_position (double pos) const;
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void set_overlays_dirty_rect (int, int, int, int);
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void summary_zoom_step ( int steps );
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samplepos_t _start; ///< start sample of the overview
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samplepos_t _end; ///< end sample of the overview
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samplepos_t _leftmost; ///< the earliest sample we ever viewed
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samplepos_t _rightmost; ///< the latest sample we ever viewed
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double _x_scale; ///< pixels per sample for the x axis of the pixmap
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double _track_height;
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double _last_playhead;
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std::pair<double, double> _start_editor_x;
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double _start_mouse_x;
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double _start_mouse_y;
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SummaryPosition _start_position;
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bool _move_dragging;
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void set_colors ();
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uint32_t _phead_color;
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//used for zooming
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int _last_mx;
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int _last_my;
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int _last_dx;
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int _last_dy;
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int _last_y_delta;
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std::pair<double, double> _view_rectangle_x;
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std::pair<double, double> _view_rectangle_y;
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std::pair<double, double> _pending_editor_x;
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std::pair<double, double> _pending_editor_y;
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bool _pending_editor_changed;
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bool _zoom_trim_dragging;
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SummaryPosition _zoom_trim_position;
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bool _old_follow_playhead;
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cairo_surface_t* _image;
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void render_background_image ();
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bool _background_dirty;
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PBD::ScopedConnectionList position_connection;
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PBD::ScopedConnection route_ctrl_id_connection;
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PBD::ScopedConnectionList region_property_connection;
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};
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#endif
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